Fig. 3From: Navigating conservation strategies: linking material research on alum-treated wood from the Oseberg collection to conservation decisionsDetail of the Fourth sled. The X-ray (top) shows the extensive use of metals in its reconstruction. X-ray image: Nancy Child (NL), Susan Braovac (SB), Ragnar Løchen (RL); Photo: KHM; Collage: Nadine Huth (NH)Back to article page